Incomplete data in the reading buffer

Program problem, please use the program to handle the buffer

1) In VB.NET, you can clear the serial port's receive buffer and send buffer in the following ways:

' Clear the receive buffer

SerialPort1.DiscardInBuffer()

' Clear the send buffer

SerialPort1.DiscardOutBuffer()

2) Adjust the size of the serial port receive buffer in VB.NET:

SerialPort1.ReadBufferSize = 4096 ' Set the buffer size

3) Block reading: If the amount of data is large, you can read the buffer data in a loop:

Dim buffer(1024) As Byte

Dim bytesRead As Integer = SerialPort1.Read(buffer, 0, buffer.Length)

Dim data As String = Encoding.ASCII.GetString(buffer, 0, bytesRead)

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Thank you for your detailed feedback. Incomplete reception often relates to timing or buffer settings. Try increasing the read timeout and ensuring the baud rate matches your node. Also, verify that the device’s internal buffers are not overwhelmed. We appreciate your patience. pips